Harrow tooth



Ap 1931- .1. T. T. KISINGER HARROW TOOTH Filed May 20, 1929 m M n 8 John1". lijfiu'nyez f 35 provided at one side with a pair of parallelgrooves f th reception f id flanges, a 85 numeral 14.

Patented Apr. 28, 1931 I UEE s ares eaten FECE JOHN T. T. KISINGER, OFSTILWELL, KANSAS minnow TOOTH Application filed May 20, 1929. Serial No.364,559.

My invention relates to new and useful The head 6 is pierced by ahorizontallyteeth such as are employed on harrows for disposed hole 16which is arranged centrally the cultivation of the soil, and one objectis between the grooves 8 and the shoulders 12 to provide teeth of thischaracter which can and is preferably of rectangular configurabe securedto the beams of the harrow without tion for the reception of therectangular porthe use of clamps, plates, or other extraneous tion 18 ofa bolt 20 employed in holding the fastening means other than simplebolts. tooth in position upon the beam A, which lat- A further object isto provide harrow teeth ter has a hole 22in line with the hole 16 forhaving their upper portions shaped to so enthe reception of said bolt20.

gage the beams that special fittings will not By providing the head 6with the grooves 69 be required to secure said teeth to the beams. 8,the lip 10 and the shoulders 12, it is ap- In order that the inventionmay be fully parent that when the head 6 of the tooth 2 is understood,reference will now be had to the firmly drawn into position on the frameA by accompanying drawing, in which: means of the bolt that said boltwill be 15 Fig. 1 is a side elevation of a harrow beam relieved ofsubstantially all lateral stresses equipped with a number of the teeth.by said lip and shoulders, and hence is not Fig. 2 is a vertical sectionon line 22 of likely to become bent from the rough usage Fig. 1. towhich implements of this class are sub Fig. 3 is an irregular verticalsection on jected. 20 line 3-3 of Fig. 1. .7 From the foregoingdescription it is ap- 70 Fig. 4: is a detail perspective view ofone ofparent that Ihave provided a harrow tooth the harrow teeth constitutingthe present inembodying the advantages above pointed out, vention. f andwhileI have shown and described one Referring in detail to the differentpar form of the invention I reserve all rights to 25 A designates theharrow beam which is of such other formsandmodifications as propchannelbar construction and has a pair of erly fall within the spirit and sceneof the upper and lower longitudinal marginal inv ntion as laimed,

flanges B. Having thus described my invention, What 2 designates aone-piece barrow tooth which I l i d deslre t Secure b L tt 39 consistsof a shank i and'an enlarged head 6. P t t, i

The shank 4 is preferably diamond shaped in I bi ati ith a b a havingupper CIOSS SECtlOIl, although it may be Of Elly OlZllGl' and lowerP31331131 flanges a Onepiece haydesired configurationrow tooth providedat its upper portion with he head 6 is wider than the shank 4 and h i tll di d upper d l r horizontally disposed grooves 8 for the recep- 11 tdi Over th upper groove d 5911 of the fl g The PP and of the whichoverlaps the upper flange, a pair of 6 is Provided with a p 10 andshoulders extending vertically from the lower termediate portion of saidhead is provided t th groove d j ti b t with vertical shoulders 12. Thelip 10 is arid flanges d a b lt t di th h ranged above the uppermestgroove 8 and 1S horizontally alined holes in the beam and the adapted toOverlap the P 0f the beam A tooth for drawing the latter firmly againstwhile the shoulders 12 are arranged between id b the grooves s andadapted to P j lnwflfcuy In testimony whereof I afiix my signature.between the flanges 13 of the beam as shown J KISINGER as by Figs. 2 and3. If preferred the shoulders 12 may be united to form a singleshoulder,

but I prefer to hollow out the head between said shoulders 12 asindicated by the reference

